Trends in flood stages: Contrasting results from the Mississippi and Rhine River systems

Pinter, Nicholas; Ickes, Brian S.; Wlosinski, Joseph H.; Ploeg, R. R. van der

doi:10.1016/j.jhydrol.2006.06.013

Cited by 67 publications

(44 citation statements)

References 30 publications

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“…Svensson et al, 2006;Chen and Grasby, 2009;Hannaford et al, 2013), a specific difficulty in detecting trends is that several signals can overlap. Decadal and interdecadal variability are difficult to quantify when the series is too short (e.g a few decades).…”

Section: Key Findingsmentioning

confidence: 99%

Review of trend analysis and climate change projections of extreme precipitation and floods in Europe

Madsen¹,

Lawrence²,

Lang³

et al. 2014

Journal of Hydrology

538

318

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Please cite this article as: Madsen, H., Lawrence, D., Lang, M., Martinkova, M., Kjeldsen, T.R., Review of trend analysis and climate change projections of extreme precipitation and floods in Abstract This paper presents a review of trend analysis of extreme precipitation and hydrological floods in Europe based on observations and future climate projections. The review summaries methods and methodologies applied and key findings from a large number of studies. Reported analyses of observed extreme precipitation and flood records show that there is some evidence of a general increase in extreme precipitation, whereas there are no clear indications of significant trends at large-scale regional or national level of extreme streamflow. Several studies from regions dominated by snowmelt-induced peak flows report decreases in extreme streamflow and earlier spring snowmelt peak flows, likely caused by increasing temperature. The review of likely future changes based on climate projections indicates a general increase in extreme precipitation under a future climate, which is consistent with the observed trends. Hydrological projections of peak flows show large impacts in many areas with both positive and negative changes. A general decrease in flood magnitude and earlier spring floods are projected for catchments with snowmelt-dominated peak flows, which is consistent with the observed trends.Finally, existing guidelines in Europe on design flood and design rainfall estimation are reviewed. The review shows that only few countries have developed guidelines that incorporate a consideration of climate change impacts.

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Section: Key Findingsmentioning

confidence: 99%

Review of trend analysis and climate change projections of extreme precipitation and floods in Europe

Madsen¹,

Lawrence²,

Lang³

et al. 2014

Journal of Hydrology

538

318

View full text Add to dashboard Cite

show abstract

“…Changes in extreme precipitation and land use/cover changes (LUCC) are regarded as two main contributors to changes in floods worldwide (Douglas et al, 2000;Jain and Lall, 2000;Pinter et al, 2006;Cunderlik and Ouarda, 2009). In this study, we investigate the impacts of extreme precipitation changes and human activities on the changes in the AMAXF in different regions of the YRB.…”

Section: Reasons For the Decreases In The Amaxf In The Yrbmentioning

confidence: 99%

Investigation of changes in the annual maximum flood in the Yellow River basin, China

Bai

Liu

Liang

et al. 2016

Quaternary International

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a b s t r a c tFlooding in the Yellow River basin (YRB) has changed significantly over the last few decades because of climate change and human activities. Determining how the flooding changed and identifying the main driving factors of flood change is crucial to flood risk assessment and water resources planning. However, few studies have been conducted, especially in the whole YRB. To fill this gap, we investigate the spatial and temporal change of the annual maximum flood (AMAXF) in the YRB using observed data from 32 key hydrological stations (including 15 mainstream stations and 17 tributary stations). The ManneKendall test combined with trend index method is used to evaluate the trend in precipitation and AMAXF. The trend results indicate the AMAXF over the whole basin is dominated by decreasing trends: 72% of the stations exhibit significant decreasing trends (at 0.1 significance level) and 22% of the stations show no significant decreasing trends in the AMAXF. Both flood trends and abrupt change time exhibit obvious regional differences: the flood decreases is more pronounced in the midstream basins than in the headwater of the basin; the abrupt changes mainly occurred in the early 1990s for the upper reaches, and in the late 1990s for the middle reaches. To investigate the causes of flood change, the trends of precipitation extremes are analyzed in relation to the trends of peak floods. The analysis reveals that the decreasing precipitation extremes only results in the AMAXF reduction in the upstream basin. The decreasing AMAXF in the midstream and downstream of the basin are mainly attributable to the impacts of human activities (mainly including dam construction and soil conservation practices). In general, anthropogenic impacts play an increasingly important role in the AMAXF changes in the YRB. According to the possible changes in forcing factors, the AMAXF over the whole basin is expected to further decrease in the near future. However, there are still large flood risks in the tributary basins due to the collapse of check dams caused by extreme storms.

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“…Structures placed along lakes and rivers to prevent erosion, and channel engineering to increase navigation depths are, at least in some river systems, considered key factors for the apparent increase in flooding disturbance events over recent decades (Kundzewicz et al . 2005;Pinter et al . 2006).…”

Section: River and Stream Degradation And Restorationmentioning

confidence: 99%

Anthropogenic impacts on lake and stream ecosystems, and approaches to restoration

Søndergaard¹,

Jeppesen

2007

Journal of Applied Ecology

177

105

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Summary 1.Freshwater ecosystems have long been affected by numerous types of human interventions that have a negative impact on their water quality and ecological state. Fortunately, in most western countries the input of sewage to freshwater systems has been reduced, but hydromorphological alterations, eutrophication-related turbidity and loss of biodiversity remain major problems in many parts of the world. Such impacts prevent the achievement of a high or good ecological state, as defined by the European Water Framework Directive (WFD) or other standards. 2. This paper synthesizes and links the findings presented in the seven papers of this special profile, focusing on the effects of anthropogenic stressors on freshwater ecosystems and on how to maintain and restore ecological quality. The papers cover a broad range of research areas and methods, but are all centred on the relationship between dispersal barriers, the connectivity of waterways and the restoration of rivers and lakes. 3. The construction of dams and reservoirs disturbs the natural functioning of many streams and rivers and shore-line development around lakes may reduce habitat complexity. New methods demonstrate how reservoirs may have a severe impact on the distribution and connectivity of fish populations, and new techniques illustrate the potential of using graph theory and connectivity models to illustrate the ecological implications. Hydromorphologically degraded rivers and streams can be restored by addition of wood debris, but 'passive' restoration via natural wood recruitment may be preferable. The most cost-effective way to restore streams may also include information campaigns to farmers on best management practices. Removal of zooplanktivorous fish often has marked positive effects on trophic structure in lakes, but there is a tendency to return to turbid conditions after 8-10 years or less unless fish removal is repeated. 4. Synthesis and applications . Development of new methods, as well as derivation of more general conclusions from reviewing the effects of previous restoration efforts, are crucial to achieve progress in applied freshwater research. The papers contained in this Special Profile contribute on both counts, as well as illustrating the importance of well-designed research projects and monitoring programmes to record the effects of the interventions. Such efforts are vital if we are to improve our knowledge of freshwater systems and to elaborate the best and most cost-effective recommendations. They may also help in achieving a good ecological state or potential in water bodies by 2015, as demanded by the European WFD.

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Trends in flood stages: Contrasting results from the Mississippi and Rhine River systems

Cited by 67 publications

References 30 publications

Review of trend analysis and climate change projections of extreme precipitation and floods in Europe

Review of trend analysis and climate change projections of extreme precipitation and floods in Europe

Investigation of changes in the annual maximum flood in the Yellow River basin, China

Anthropogenic impacts on lake and stream ecosystems, and approaches to restoration

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